3 "! WARNING THIS MANUAL MUST BE CAREFULLY READ BY ALL INDIVIDUALS WHO HAVE OR WILL HAVE THE RESPONSIBILITY FOR USING OR SERVICING THE PRODUCT. Like any piece of complex equipment, this instrument will perform as designed only if it is used and serviced in accordance with the manufacturer s instructions. OTHERWISE, IT COULD FAIL TO PERFORM AS DESIGNED AND PERSONS WHO RELY ON THIS PRODUCT FOR THEIR SAFETY COULD SUSTAIN SEVERE PERSONAL INJURY OR DEATH. The warranties made by Mine Safety Appliances Company with respect to the product are voided if the product is not used and serviced in accordance with the instructions in this manual. Please protect yourself and others by following them. We encourage our customers to write or call regarding this equipment prior to use or for any additional information relative to use or repairs.

8 1. Instrument Safety 1.1. Correct Use The ALTAIR 4X Multigas Detector is for use by trained and qualified personnel. It is designed to be used when performing a hazard assessment to: Assess potential worker exposure to combustible and toxic gases and vapors as well as low level of oxygen. Determine the appropriate gas and vapor monitoring needed for a workplace. The ALTAIR 4X Multigas Detector can be equipped to detect: Combustible gases and certain combustible vapors Oxygen-deficient or oxygen-rich atmospheres Specific toxic gases for which a sensor is installed. NOTE: While the instrument can detect up to 30% oxygen in ambient air, it is approved for use only up to 21% oxygen. " WARNING Read and follow all instructions carefully. Perform a bump test before each day's use and adjust if necessary. Perform a bump test more frequently if exposed to silicone, silicates, lead-containing compounds, hydrogen sulfide, or high contaminant levels. Recheck calibration if unit is subjected to physical shock. Use only to detect gases/vapors for which a sensor is installed. Do not use to detect combustible dusts or mists. Make sure adequate oxygen is present for accurate combustible readings (>10% O 2 ). Do not block sensors. Have a trained and qualified person interpret instrument readings. 1-1

9 Do not recharge Li polymer battery in a combustible atmosphere. Do not alter or modify instrument. INCORRECT USE CAN CAUSE SERIOUS PERSONAL INJURY OR DEATH. NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense. " WARNING This is a class A product in accordance with CISPR 22. In a domestic environment, this product may cause radio interference, in which case the user may be required to take adequate measures. This Class A digital apparatus complies with Canadian ICES For users in Australia / New Zealand: " WARNING This is a class A product. In a domestic environment, this product may cause radio interference in which case the user may be required to take adequate measures. 1-2

10 1.2. Safety and Precautionary Measures " WARNING Carefully review the following safety limitations and precautions before placing this instrument in service. Incorrect use can cause serious personal injury or death. Check function (see section 3.6) each day before use. MSA recommends carrying out a routine inspection prior to each day's use. Perform a Bump Test (see section 3.8) before each day's use to verify proper instrument operation. The instrument must pass the bump test. If it fails the test, perform a calibration (see section 3.9) before using the instrument. Perform a bump test more frequently if the unit is subjected to physical shock or high levels of contaminants. Also, perform a bump test more frequently if the tested atmosphere contains the following materials, which may desensitize the combustible gas sensor and reduce its readings: Organic silicones Silicates Lead-containing compounds Hydrogen sulfide exposures over 200 ppm or exposures over 50 ppm for one minute. The minimum concentration of a combustible gas in air that can ignite is defined as the Lower Explosive Limit (LEL). A combustible gas reading of "XXX indicates the atmosphere is above 100 % LEL or 5.00 %vol CH 4, and an explosion hazard exists. Move away from hazardous area immediately. Do not use the ALTAIR 4X Multigas Detector to test for combustible or toxic gases in the following atmospheres as this may result in erroneous readings: Oxygen-deficient or oxygen-rich atmospheres Reducing atmospheres Furnace stacks Inert environments Atmospheres containing combustible airborne mists/dusts. 1-3

11 Do not use the ALTAIR 4X Multigas Detector to test for combustible gases in atmospheres containing vapors from liquids with a high flash point (above 38 C, 100 F) as this may result in erroneously low readings. Do not block sensor openings as this may cause inaccurate readings. Do not press on the face of the sensors, as this may damage them and cause erroneous readings. Do not use compressed air to clean the sensor holes, as the pressure may damage the sensors. Allow sufficient time for unit to display accurate reading. Response times vary based on the type of sensor being utilized (see Section 5.4, "Performance Specifications"). All instrument readings and information must be interpreted by someone trained and qualified in interpreting instrument readings in relation to the specific environment, industrial practice and exposure limitations. Use of the Galaxy TM Automated Test System is an alternate MSHAapproved method for calibrating MSHA-approved ALTAIR 4X instruments. Use only calibration gas that is 2.5% Methane with an accuracy of +5% when calibrating MSHA-approved ALTAIR 4X instruments. The maximum acceptable user-set (password protected) Galaxy Automated Test System tolerance on Bump Limits must be set to 10% or less when calibrating MSHA-approved ALTAIR 4X instruments. For 30 CFR Part 75 determinations, the maximum acceptable user-set (password protected) Galaxy Automated Test System tolerance on Bump Limits must only be set to such that 19.5% oxygen can be detected with an accuracy of +0.5% when calibrating MSHA-approved ALTAIR 4X instruments. Risk of explosion: Do not recharge instrument in hazardous area. Observe proper battery maintenance Use only battery chargers made available by MSA for use with this instrument; other chargers may damage the battery pack and the unit. Dispose of in accordance with local health and safety regulations. Use of the GALAXY Automated Test System is an alternate approved method for charging ALTAIR 4X instruments Be aware of environmental conditions A number of environmental factors may affect the sensor readings, including changes in pressure, humidity and temperature. 1-4

12 Pressure and humidity changes also affect the amount of oxygen actually present in the atmosphere. Be aware of the procedures for handling electrostatically sensitive electronics The instrument contains electrostatically sensitive components. Do not open or repair the unit without using appropriate electrostatic discharge (ESD) protection. The warranty does not cover damage caused by electrostatic discharges. Be aware of the product regulations Follow all relevant national regulations applicable in the country of use. Be aware of the warranty regulations The warranties made by Mine Safety Appliances Company with respect to the product are voided if the product is not used and maintained in accordance with the instructions in this manual. Please protect yourself and others by following them. We encourage our customers to write or call regarding this equipment prior to use or for any additional information relative to use or service Warranty ITEM Chassis and electronics All sensors unless otherwise specified Warranty WARRANTY PERIOD Three years Three years This warranty does not cover filters, fuses, etc. Certain other accessories not specifically listed here may have different warranty periods. This warranty is valid only if the product is maintained and used in accordance with Seller's instructions and/or recommendations. The Seller shall be released from all obligations under this warranty in the event repairs or modifications are made by persons other than its own or authorized service personnel or if the warranty claim results from physical abuse or misuse of the product. No agent, employee or representative of the Seller has any authority to bind the Seller to any affirmation, representation or warranty concerning this product. Seller makes no warranty concerning components or accessories not manufactured by the Seller, but will pass on to the Purchaser all warranties of manufacturers of such components. 1-5

13 THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND IS STRICTLY LIMITED TO THE TERMS HEREOF. SELLER SPECIFICALLY DISCLAIMS ANY WARRANTY OF MERCHANTABILITY OR OF FITNESS FOR A PARTICULAR PURPOSE Exclusive Remedy It is expressly agreed that Purchaser's sole and exclusive remedy for breach of the above warranty, for any tortious conduct of Seller, or for any other cause of action, shall be the replacement at Seller's option, of any equipment or parts thereof, which after examination by Seller is proven to be defective. Replacement equipment and/or parts will be provided at no cost to Purchaser, F.O.B. Seller's Plant. Failure of Seller to successfully replace any nonconforming equipment or parts shall not cause the remedy established hereby to fail of its essential purpose Exclusion of Consequential Damage Purchaser specifically understands and agrees that under no circumstances will seller be liable to purchaser for economic, special, incidental or consequential damages or losses of any kind whatsoever, including but not limited to, loss of anticipated profits and any other loss caused by reason of nonoperation of the goods. This exclusion is applicable to claims for breach of warranty, tortious conduct or any other cause of action against seller. 1-6

14 2. Description 2.1. Instrument Overview 1 Communication 8 Display 2 Safe LED (green) and Fault LED (yellow) 9 Alarm LEDs (4) 3 Sensor Inlets 10 Clip 4 Horn 11 Charging Connection 5 Button 12 Screws (4) 6 Button 13 Charge LED (red/green) 7 Button Figure 2-1. Instrument View The instrument monitors gases in ambient air and in the workplace. The ALTAIR 4X is available with a maximum of three sensors, which can display readings for four separate gases (one Two Toxic Sensor provides both CO and H 2 S sensing capabilities in a single sensor). While the instrument can detect up to 30% oxygen in ambient air, it is approved for use only up to 21% oxygen. The alarm levels for the individual gases are factory-set and can be changed through the instrument Setup Menu. These changes can also be made through MSA Link TM Software. Ensure that the latest version of 2-1

15 the MSA Link software has been downloaded from MSA s website If gas is present during Fresh Air Setup, the instrument will fail and enter Measure mode. 2.2 Device Hardware Interfaces Instrument operation is dialog driven from the display with the aid of the three function buttons (see FIGURE 2-1) Button Definitions BUTTON DESCRIPTION The Button is used to turn instrument ON or OFF and to confirm user action selections. When the button and the button are pressed simultaneously at instrument start-up, the Options Setup mode displays. The Button is used to page down through data screens in measuring mode or as a page back and to decrease the values in Setup mode. Holding this button for 3 seconds while in Normal Measure mode activates the InstantAlert TM alarm. The button is used to reset peak, STEL TWA and acknowledge alarms (where possible) or access calibration in Measuring mode. It is also used as page up or to increase the values in Setup mode LED Definitions LED GREEN RED YELLOW RED / GREEN DESCRIPTION The Safe LED flashes once every 15 seconds to notify the user that the instrument is ON and operating under the conditions defined in Section 3.7. This option can be turned OFF through the MSA Link software The Alarm LEDs are visual indications of an alarm condition or any type of error in the instrument The yellow LED is a visual indication of an instrument fault condition. This LED turns ON with the following conditions: Instrument memory error Sensor Missing Sensor Error The Charge LED is a visual indication of charge status. Red indicates the instrument is charging Green indicates the charge is complete 2-2

16 2.2.3 Vibrating Alarm The instrument is equipped with a vibrating alarm Backlight The backlight automatically activates when any front panel button is pressed and remains ON for the duration of user-selected timeout. This ON/OFF duration can be changed through MSA Link software Horn The horn provides an audible alarm. 2-3

18 2.2.7 Battery Life Indicator The battery condition icon continuously displays in the upper right-hand corner of the color display. As the battery is depleted, battery icon segments blank until only the battery icon outline remains. Each indicator segment represents approximately 25% of the total battery capacity. Battery Warning " WARNING If battery warning alarm activates while using the instrument, leave the area immediately as the end of battery life is approaching. Failure to follow this warning can result in serious personal injury or death. The nominal run-time of the instrument at room temperature is 24 hours. Actual run-time will vary depending on ambient temperature and alarm conditions. Instrument run-time at -4 F (-20 C) is approximately 14 hours. A Low Battery Warning indicates that a nominal 30 minutes of operation remain before the battery s charge is depleted. The duration of remaining instrument operation during a Low Battery Warning depends on ambient temperatures. When the instrument goes into Low Battery Warning, the: battery life indicator flashes alarm sounds alarm LEDs flash display flashes "LOW BATT" and instrument repeats this warning every 15 seconds and continues to operate until it is turned OFF or battery shutdown occurs 2-5

19 Battery Shutdown If the battery shutdown alarm activates, stop using the instrument as it no longer has enough power to indicate potential hazards, and persons relying on this product for their safety could sustain serious personal injury or death. The instrument goes into battery shutdown mode 60 seconds before final shutdown (when the batteries can no longer operate the instrument): "BATT ALARM and flash on the display Alarm sounds and lights flash; alarm cannot be silenced No other pages can be viewed; after approximately one minute, the instrument automatically turns OFF. When battery shutdown condition occurs: 1. Leave the area immediately. 2. Recharge or replace the battery pack. Battery Charging " WARNING " WARNING Risk of explosion: Do not recharge instrument in hazardous area. " CAUTION Use of any charger, other than the Charger supplied with the instrument, may damage or improperly charge the batteries. The charger is capable of charging a completely depleted pack in less than four hours in normal, room-temperature environments. NOTE: Allow very hot or cold instruments to stabilize for one hour at room temperature before attempting to charge. Minimum and maximum ambient temperature to charge the instrument is 10 C (50 F) and 35 C (95 F), respectively. For best results, charge the instrument at room temperature (23 C). 2-6

20 To Charge the Instrument Firmly insert the charger connector into the charge port on the back of the instrument. The battery symbol scrolls through a progressively increasing number of segments and the charge LED is red until 90% of full charge is obtained. Then, remains fully illuminated and the charge LED turns green while the battery is trickle charged to its full capacity. If a problem is detected during charging, the battery symbol flashes and the charge LED is orange. Disconnect the charger momentarily to reset the charge cycle Operating Beep This operating beep activates every 30 seconds by momentarily beeping the horn and flashing the alarm LEDs under the following conditions: Operating beep is enabled Instrument is on normal Measure Gases page Instrument is not in battery warning Instrument is not in gas alarm Audible and visual options are enabled 2.3 Viewing Optional Displays The Main Screen appears at instrument turn-on. Optional displays can be viewed by pressing the button to move to: Bump Mode To select the Bump mode, press the button To move forward, press the button. To move backward to the Main page, press the button. 2-7

21 2.3.2 Peak Readings (PEAK page) The peak icon shows the highest levels of gas recorded by the instrument since turn-on or since peak readings were reset. To reset the peak readings: 1. Access the PEAK page. 2. Press the button Minimum Readings (MIN page) This page shows the lowest level of oxygen recorded by the instrument since turn-on or since the MIN reading was reset. The minimum icon appears on the display To reset the MIN readings: 1. Access the MIN page. 2. Press the button Short Term Exposure Limits (STEL page) " WARNING If the STEL alarm activates, leave the contaminated area immediately; the ambient gas concentration has reached the preset STEL alarm level. Failure to follow this warning will cause over-exposure to toxic gases and persons relying on this product for their safety could sustain serious personal injury or death. The STEL icon appears on the display to show the average exposure over a 15-minute period. When the amount of gas detected by the instrument is greater than the STEL limit: Alarm sounds Alarm LEDs flash STEL icon flashes. To reset the STEL: 1. Access the STEL page. 2-8

22 2. Press the button. The STEL alarm is calculated over a 15-minute exposure. STEL calculation examples: Assume the instrument has been running for at least 15 minutes: 15-minute exposure of 35 ppm: (15 minutes x 35 PPM) 15 minutes = 35 PPM 10-minute exposure of 35 ppm and 5 minute-exposure of 15 ppm: (10 minutes x 35 PPM) + (5 minutes x 15 PPM) 15 minutes = 25 PPM This page can be de-activated through MSA Link Time Weighted Average (TWA Page) " WARNING If the TWA alarm activates, leave the contaminated area immediately; the ambient gas concentration has reached the preset TWA alarm level. Failure to follow this warning will cause over-exposure to toxic gases and persons relying on this product for their safety could sustain serious personal injury or death. The TWA icon appears on the display to show the average exposure since the instrument was turned ON or since the TWA reading was reset. When the amount of gas detected is greater than the eight-hour TWA limit: alarm sounds alarm lights flash TWA icon flashes. To Reset the TWA Readings 1. Access the TWA Page. 2. Press the button. The TWA alarm is calculated over an eight-hour exposure. 2-9

23 TWA Calculation Examples: 1-hour exposure of 50 ppm: (1 hour x 50 PPM) + (7 hours x 0 PPM) 8 hours = 6.25 PPM 4-hour exposure of 50 ppm and 4-hour exposure of 100 ppm: (4 hours x 50 PPM) + (4 hours x 100 PPM) 8 hours = 75 PPM 12-hour exposure of 100 ppm: (12 hours x 100 PPM) 8 hours = 150 PPM Time Display Current time appears on the display in a 12-hour format by default. A 24-hour format can be selected using MSA Link Date Display Current date appears on the display in the format: MM-DD-YYYY Last Cal Page Displays the instrument's last successful calibration date in the format: MM-DD-YYYY Cal Due Page Displays the days until the instrument's next calibration is due (user selectable) Motion Alert Page To activate or deactivate the Motion Alert feature, press the button while the Motion Alert Activation page is displayed. When the Motion Alert feature is active, the r symbol flashes every 3 seconds. The instrument enters pre-alarm when no motion is detected for 20 seconds. This condition can be cleared by moving the instrument. 2-10

24 After 30 seconds of inactivity, the full Motion Alert alarm is triggered. This alarm can only be cleared by pressing the button 2.4 Sensor Missing Alarm The instrument enters the Sensor Missing alarm if the instrument detects that a sensor is not properly installed in the instrument. If a sensor is detected as missing, the following occurs: "SENSOR ERROR" displays The flag above the sensor detected as missing flashes on the display Alarm sounds and lights flash Yellow Fault LED is on solid If there is a sensor error at startup, the instrument shuts OFF in 60 seconds. 2.5 Sensor Life Warning If a sensor is nearing its end of life, the instrument warns the user following a sensor calibration. While the sensor is still fully functional at this point, the warning gives the user time to plan for a replacement sensor and minimize downtime. The is continuously displayed. See calibration section 3.9 for more details. 2.6 Sensor Life Indicator If the instrument cannot calibrate one or more sensors, the instrument displays "Span" "Err" followed by the and to indicate end of sensor life. See calibration section 3.9 for more details. 2.7 Monitoring Toxic Gases The instrument can monitor the concentration of the following toxic gases in ambient air: Carbon Monoxide (CO) Hydrogen Sulfide (H 2 S). The instrument displays the gas concentration in parts per million (PPM) or mg/m 3 on the Measuring page until another page is selected or the instrument is turned OFF. 2-11

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